Other - Science - February 2007

I think time-travel will never be possible because...
1. Someone in the future would have invented it and come back to now.
2. If I went back in time and prevented my parents from meeting then I would never be born. If I was never born I couldn't go back in time and prevent them from meeting.

2007-02-23 01:05:10 · 18 answers · asked by Anonymous

I mean total energy used at both ends and whatever is functioning in the middle too.

2007-02-23 00:07:44 · 3 answers · asked by Alyosha 4

2007-02-22 21:45:44 · 14 answers · asked by Anonymous

What time period did it take place in and what did it contribute to the extinction of? I'm lost and confuzzled.

2007-02-22 20:55:35 · 2 answers · asked by Anonymous

I used to think that it was only once. But if all germs are killed when food is boiled at 100 degrees for 20 minutes (Or Less time?) then surely food can be reheated infinitesimly? Also, if all germs are killed in these conditons, so long as food is cooked properly then even food starting to go off should lose its germs and still be ok (if not ideal) to eat?

2007-02-22 20:20:36 · 18 answers · asked by Peace 2

2007-02-22 19:53:20 · 4 answers · asked by Zhughu 2

When boiling water is allowed to run off a tap onto a hard surface, it makes a sound different from that made by cold water on the same surface. More hollow...I just can't place the description of the sound but it is different..Why??

2007-02-22 19:50:00 · 3 answers · asked by Anonymous

i heard somewhere that it is an extinction threat for the human race. in what ways is this possible? examples? it can also be beneficial such as development of medicines and cures. what are examples of these? how many years do you estimate this technology will come to be? nanotechnology doesn't seem to get as much attention for something that might change all facets of our life in the near future. thanks in advance for help with all these questions =D

2007-02-22 16:16:13 · 6 answers · asked by Ripcity-zen 2

2007-02-22 15:19:14 · 4 answers · asked by symperl 2

I would really appreciate if any one can help me with this question:

An organism’s body plans help determine how it will carry the process of (blank) and (blank).

I've tried to look for this answer everywhere. If any one can help me, I'd really appreciate it!!! Thank you for your time!

2007-02-22 15:09:19 · 3 answers · asked by co0kiecrumbz 2

When the air is warm, the volume and the air pressure increases. When it is cooled, the volume and the air pressure decreases.

2007-02-22 14:47:37 · 12 answers · asked by Anonymous

Albinism is a type of_
a. mutation
b.sexual reproduction
c.gene
d.embro

2007-02-22 13:46:32 · 3 answers · asked by Buffy fanatic144 1

I'm sorry I know that is a WEIRD question but I need to know this for science.
=D

2007-02-22 13:16:29 · 2 answers · asked by o.o 2

Jamal is estimating the height of the flag pole in front of the school. What would be a good estimate of the height of the flag pole

A. 9 inches
B. 9 feet
C. 9 yards
D. 9 miles

2007-02-22 12:58:36 · 12 answers · asked by Robert 1

2007-02-22 12:43:28 · 9 answers · asked by Norma A 1

From a non-religious point of view, how did the universe come to be?

2007-02-22 12:40:12 · 4 answers · asked by koningin_bloemkool 1

i have always wondered that!

2007-02-22 12:33:29 · 5 answers · asked by Anonymous

All my friends are fantastic at sudoku and they LOVE it, but i don't, mainly because well, I can't solve those things. I just want to know for those sudoku solvers out there how do you solve them, is it natural ability, patience, or secret formula that I don't know about...? Thanks.

2007-02-22 12:21:58 · 19 answers · asked by KatH 2

Please, explain the REAL evidence for your theory. Explain how Evolution broke almost all the laws of physics without the help of an Intelligent designer. Please leave out all "evidence that has been proved wrong over and over again." And if you believe in both God and evolution, please how did you come up with this conclusion?

2007-02-22 12:05:07 · 12 answers · asked by NOTW70X7 2

what is the original source of heat that is trapped by the greenhouse effect?

2007-02-22 11:25:09 · 13 answers · asked by andrew 3

The ice becomes the same temperature as the original cup of water.
I'm thinking the mass stays the same and the density increases.

2007-02-22 11:13:41 · 4 answers · asked by anonymous 2

how do i make flashcards.

i know you can, but i need someone to give me step by step instructons or give me a link to some.

or something like that.

2007-02-22 10:23:43 · 1 answers · asked by LITTLE GREEN GOD 3

2007-02-22 10:05:47 · 3 answers · asked by MLJ...JLM 1

2007-02-22 09:24:53 · 5 answers · asked by Anonymous

It's got to be six letters.

2007-02-22 08:33:39 · 7 answers · asked by Anonymous

I have a science quiz 2morrow on the digestive system, and we have to know the order of each organ and the food pass through it. I've been trying to come up with some good words that could go with the 1st letter of each organ so I can remember them. Sorta like that Every Good Boy Does Fine thing in music. Here are the words (in the right order):
Mouth, Esophagus, Stomach, Small Intestine, Liver, Gallbladder, Pancreas, Large Intestine, Rectun, Anus.
Can anyone think of some good sentences with M,E,ST,SI,L,G,P,LI,R,A?

2007-02-22 08:26:18 · 1 answers · asked by smileyrylee 1

2007-02-22 08:24:28 · 3 answers · asked by guyanagrl17 1

2007-02-22 08:16:51 · 4 answers · asked by Mickso 1

2007-02-22 07:40:24 · 5 answers · asked by roger g 1

Plasma is created by heat and preasure. (Alot of of heat and preasure to be exact.) But here on earth It is very dangerous so there is very few amount. People say If we could get the Plasma found out in the unvierse It could do pretty much everthing for us. (Not really everything but everything we need.) Why is this?

2007-02-22 07:18:29 · 2 answers · asked by Sk8terMov 2